mediatek: mt76-6e-usb: Copied entire code from v5.18.y
[platform/kernel/linux-rpi.git] / drivers / net / wireless / mediatek / mt76-6e-usb / mt7915 / debugfs.c
1 // SPDX-License-Identifier: ISC
2 /* Copyright (C) 2020 MediaTek Inc. */
3
4 #include <linux/relay.h>
5 #include "mt7915.h"
6 #include "eeprom.h"
7 #include "mcu.h"
8 #include "mac.h"
9
10 #define FW_BIN_LOG_MAGIC        0x44e98caf
11
12 /** global debugfs **/
13
14 struct hw_queue_map {
15         const char *name;
16         u8 index;
17         u8 pid;
18         u8 qid;
19 };
20
21 static int
22 mt7915_implicit_txbf_set(void *data, u64 val)
23 {
24         struct mt7915_dev *dev = data;
25
26         if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
27                 return -EBUSY;
28
29         dev->ibf = !!val;
30
31         return mt7915_mcu_set_txbf(dev, MT_BF_TYPE_UPDATE);
32 }
33
34 static int
35 mt7915_implicit_txbf_get(void *data, u64 *val)
36 {
37         struct mt7915_dev *dev = data;
38
39         *val = dev->ibf;
40
41         return 0;
42 }
43
44 DEFINE_DEBUGFS_ATTRIBUTE(fops_implicit_txbf, mt7915_implicit_txbf_get,
45                          mt7915_implicit_txbf_set, "%lld\n");
46
47 /* test knob of system layer 1/2 error recovery */
48 static int mt7915_ser_trigger_set(void *data, u64 val)
49 {
50         enum {
51                 SER_SET_RECOVER_L1 = 1,
52                 SER_SET_RECOVER_L2,
53                 SER_ENABLE = 2,
54                 SER_RECOVER
55         };
56         struct mt7915_dev *dev = data;
57         int ret = 0;
58
59         switch (val) {
60         case SER_SET_RECOVER_L1:
61         case SER_SET_RECOVER_L2:
62                 ret = mt7915_mcu_set_ser(dev, SER_ENABLE, BIT(val), 0);
63                 if (ret)
64                         return ret;
65
66                 return mt7915_mcu_set_ser(dev, SER_RECOVER, val, 0);
67         default:
68                 break;
69         }
70
71         return ret;
72 }
73
74 DEFINE_DEBUGFS_ATTRIBUTE(fops_ser_trigger, NULL,
75                          mt7915_ser_trigger_set, "%lld\n");
76
77 static int
78 mt7915_radar_trigger(void *data, u64 val)
79 {
80         struct mt7915_dev *dev = data;
81
82         if (val > MT_RX_SEL2)
83                 return -EINVAL;
84
85         return mt76_connac_mcu_rdd_cmd(&dev->mt76, RDD_RADAR_EMULATE,
86                                        val, 0, 0);
87 }
88
89 DEFINE_DEBUGFS_ATTRIBUTE(fops_radar_trigger, NULL,
90                          mt7915_radar_trigger, "%lld\n");
91
92 static int
93 mt7915_muru_debug_set(void *data, u64 val)
94 {
95         struct mt7915_dev *dev = data;
96
97         dev->muru_debug = val;
98         mt7915_mcu_muru_debug_set(dev, dev->muru_debug);
99
100         return 0;
101 }
102
103 static int
104 mt7915_muru_debug_get(void *data, u64 *val)
105 {
106         struct mt7915_dev *dev = data;
107
108         *val = dev->muru_debug;
109
110         return 0;
111 }
112
113 DEFINE_DEBUGFS_ATTRIBUTE(fops_muru_debug, mt7915_muru_debug_get,
114                          mt7915_muru_debug_set, "%lld\n");
115
116 static int mt7915_muru_stats_show(struct seq_file *file, void *data)
117 {
118         struct mt7915_phy *phy = file->private;
119         struct mt7915_dev *dev = phy->dev;
120         struct mt7915_mcu_muru_stats mu_stats = {};
121         static const char * const dl_non_he_type[] = {
122                 "CCK", "OFDM", "HT MIX", "HT GF",
123                 "VHT SU", "VHT 2MU", "VHT 3MU", "VHT 4MU"
124         };
125         static const char * const dl_he_type[] = {
126                 "HE SU", "HE EXT", "HE 2MU", "HE 3MU", "HE 4MU",
127                 "HE 2RU", "HE 3RU", "HE 4RU", "HE 5-8RU", "HE 9-16RU",
128                 "HE >16RU"
129         };
130         static const char * const ul_he_type[] = {
131                 "HE 2MU", "HE 3MU", "HE 4MU", "HE SU", "HE 2RU",
132                 "HE 3RU", "HE 4RU", "HE 5-8RU", "HE 9-16RU", "HE >16RU"
133         };
134         int ret, i;
135         u64 total_ppdu_cnt, sub_total_cnt;
136
137         if (!dev->muru_debug) {
138                 seq_puts(file, "Please enable muru_debug first.\n");
139                 return 0;
140         }
141
142         mutex_lock(&dev->mt76.mutex);
143
144         ret = mt7915_mcu_muru_debug_get(phy, &mu_stats);
145         if (ret)
146                 goto exit;
147
148         /* Non-HE Downlink*/
149         seq_puts(file, "[Non-HE]\nDownlink\nData Type:  ");
150
151         for (i = 0; i < 5; i++)
152                 seq_printf(file, "%8s | ", dl_non_he_type[i]);
153
154 #define __dl_u32(s)     le32_to_cpu(mu_stats.dl.s)
155         seq_puts(file, "\nTotal Count:");
156         seq_printf(file, "%8u | %8u | %8u | %8u | %8u | ",
157                    __dl_u32(cck_cnt),
158                    __dl_u32(ofdm_cnt),
159                    __dl_u32(htmix_cnt),
160                    __dl_u32(htgf_cnt),
161                    __dl_u32(vht_su_cnt));
162
163         seq_puts(file, "\nDownlink MU-MIMO\nData Type:  ");
164
165         for (i = 5; i < 8; i++)
166                 seq_printf(file, "%8s | ", dl_non_he_type[i]);
167
168         seq_puts(file, "\nTotal Count:");
169         seq_printf(file, "%8u | %8u | %8u | ",
170                    __dl_u32(vht_2mu_cnt),
171                    __dl_u32(vht_3mu_cnt),
172                    __dl_u32(vht_4mu_cnt));
173
174         sub_total_cnt = __dl_u32(vht_2mu_cnt) +
175                 __dl_u32(vht_3mu_cnt) +
176                 __dl_u32(vht_4mu_cnt);
177
178         seq_printf(file, "\nTotal non-HE MU-MIMO DL PPDU count: %lld",
179                    sub_total_cnt);
180
181         total_ppdu_cnt = sub_total_cnt +
182                 __dl_u32(cck_cnt) +
183                 __dl_u32(ofdm_cnt) +
184                 __dl_u32(htmix_cnt) +
185                 __dl_u32(htgf_cnt) +
186                 __dl_u32(vht_su_cnt);
187
188         seq_printf(file, "\nAll non-HE DL PPDU count: %lld", total_ppdu_cnt);
189
190         /* HE Downlink */
191         seq_puts(file, "\n\n[HE]\nDownlink\nData Type:  ");
192
193         for (i = 0; i < 2; i++)
194                 seq_printf(file, "%8s | ", dl_he_type[i]);
195
196         seq_puts(file, "\nTotal Count:");
197         seq_printf(file, "%8u | %8u | ",
198                    __dl_u32(he_su_cnt),
199                    __dl_u32(he_ext_su_cnt));
200
201         seq_puts(file, "\nDownlink MU-MIMO\nData Type:  ");
202
203         for (i = 2; i < 5; i++)
204                 seq_printf(file, "%8s | ", dl_he_type[i]);
205
206         seq_puts(file, "\nTotal Count:");
207         seq_printf(file, "%8u | %8u | %8u | ",
208                    __dl_u32(he_2mu_cnt),
209                    __dl_u32(he_3mu_cnt),
210                    __dl_u32(he_4mu_cnt));
211
212         seq_puts(file, "\nDownlink OFDMA\nData Type:  ");
213
214         for (i = 5; i < 11; i++)
215                 seq_printf(file, "%8s | ", dl_he_type[i]);
216
217         seq_puts(file, "\nTotal Count:");
218         seq_printf(file, "%8u | %8u | %8u | %8u | %9u | %8u | ",
219                    __dl_u32(he_2ru_cnt),
220                    __dl_u32(he_3ru_cnt),
221                    __dl_u32(he_4ru_cnt),
222                    __dl_u32(he_5to8ru_cnt),
223                    __dl_u32(he_9to16ru_cnt),
224                    __dl_u32(he_gtr16ru_cnt));
225
226         sub_total_cnt = __dl_u32(he_2mu_cnt) +
227                 __dl_u32(he_3mu_cnt) +
228                 __dl_u32(he_4mu_cnt);
229         total_ppdu_cnt = sub_total_cnt;
230
231         seq_printf(file, "\nTotal HE MU-MIMO DL PPDU count: %lld",
232                    sub_total_cnt);
233
234         sub_total_cnt = __dl_u32(he_2ru_cnt) +
235                 __dl_u32(he_3ru_cnt) +
236                 __dl_u32(he_4ru_cnt) +
237                 __dl_u32(he_5to8ru_cnt) +
238                 __dl_u32(he_9to16ru_cnt) +
239                 __dl_u32(he_gtr16ru_cnt);
240         total_ppdu_cnt += sub_total_cnt;
241
242         seq_printf(file, "\nTotal HE OFDMA DL PPDU count: %lld",
243                    sub_total_cnt);
244
245         total_ppdu_cnt += __dl_u32(he_su_cnt) +
246                 __dl_u32(he_ext_su_cnt);
247
248         seq_printf(file, "\nAll HE DL PPDU count: %lld", total_ppdu_cnt);
249 #undef __dl_u32
250
251         /* HE Uplink */
252         seq_puts(file, "\n\nUplink");
253         seq_puts(file, "\nTrigger-based Uplink MU-MIMO\nData Type:  ");
254
255         for (i = 0; i < 3; i++)
256                 seq_printf(file, "%8s | ", ul_he_type[i]);
257
258 #define __ul_u32(s)     le32_to_cpu(mu_stats.ul.s)
259         seq_puts(file, "\nTotal Count:");
260         seq_printf(file, "%8u | %8u | %8u | ",
261                    __ul_u32(hetrig_2mu_cnt),
262                    __ul_u32(hetrig_3mu_cnt),
263                    __ul_u32(hetrig_4mu_cnt));
264
265         seq_puts(file, "\nTrigger-based Uplink OFDMA\nData Type:  ");
266
267         for (i = 3; i < 10; i++)
268                 seq_printf(file, "%8s | ", ul_he_type[i]);
269
270         seq_puts(file, "\nTotal Count:");
271         seq_printf(file, "%8u | %8u | %8u | %8u | %8u | %9u |  %7u | ",
272                    __ul_u32(hetrig_su_cnt),
273                    __ul_u32(hetrig_2ru_cnt),
274                    __ul_u32(hetrig_3ru_cnt),
275                    __ul_u32(hetrig_4ru_cnt),
276                    __ul_u32(hetrig_5to8ru_cnt),
277                    __ul_u32(hetrig_9to16ru_cnt),
278                    __ul_u32(hetrig_gtr16ru_cnt));
279
280         sub_total_cnt = __ul_u32(hetrig_2mu_cnt) +
281                 __ul_u32(hetrig_3mu_cnt) +
282                 __ul_u32(hetrig_4mu_cnt);
283         total_ppdu_cnt = sub_total_cnt;
284
285         seq_printf(file, "\nTotal HE MU-MIMO UL TB PPDU count: %lld",
286                    sub_total_cnt);
287
288         sub_total_cnt = __ul_u32(hetrig_2ru_cnt) +
289                 __ul_u32(hetrig_3ru_cnt) +
290                 __ul_u32(hetrig_4ru_cnt) +
291                 __ul_u32(hetrig_5to8ru_cnt) +
292                 __ul_u32(hetrig_9to16ru_cnt) +
293                 __ul_u32(hetrig_gtr16ru_cnt);
294         total_ppdu_cnt += sub_total_cnt;
295
296         seq_printf(file, "\nTotal HE OFDMA UL TB PPDU count: %lld",
297                    sub_total_cnt);
298
299         total_ppdu_cnt += __ul_u32(hetrig_su_cnt);
300
301         seq_printf(file, "\nAll HE UL TB PPDU count: %lld\n", total_ppdu_cnt);
302 #undef __ul_u32
303
304 exit:
305         mutex_unlock(&dev->mt76.mutex);
306
307         return ret;
308 }
309 DEFINE_SHOW_ATTRIBUTE(mt7915_muru_stats);
310
311 static int
312 mt7915_rdd_monitor(struct seq_file *s, void *data)
313 {
314         struct mt7915_dev *dev = dev_get_drvdata(s->private);
315         struct cfg80211_chan_def *chandef = &dev->rdd2_chandef;
316         const char *bw;
317         int ret = 0;
318
319         mutex_lock(&dev->mt76.mutex);
320
321         if (!cfg80211_chandef_valid(chandef)) {
322                 ret = -EINVAL;
323                 goto out;
324         }
325
326         if (!dev->rdd2_phy) {
327                 seq_puts(s, "not running\n");
328                 goto out;
329         }
330
331         switch (chandef->width) {
332         case NL80211_CHAN_WIDTH_40:
333                 bw = "40";
334                 break;
335         case NL80211_CHAN_WIDTH_80:
336                 bw = "80";
337                 break;
338         case NL80211_CHAN_WIDTH_160:
339                 bw = "160";
340                 break;
341         case NL80211_CHAN_WIDTH_80P80:
342                 bw = "80P80";
343                 break;
344         default:
345                 bw = "20";
346                 break;
347         }
348
349         seq_printf(s, "channel %d (%d MHz) width %s MHz center1: %d MHz\n",
350                    chandef->chan->hw_value, chandef->chan->center_freq,
351                    bw, chandef->center_freq1);
352 out:
353         mutex_unlock(&dev->mt76.mutex);
354
355         return ret;
356 }
357
358 static int
359 mt7915_fw_debug_wm_set(void *data, u64 val)
360 {
361         struct mt7915_dev *dev = data;
362         enum {
363                 DEBUG_TXCMD = 62,
364                 DEBUG_CMD_RPT_TX,
365                 DEBUG_CMD_RPT_TRIG,
366                 DEBUG_SPL,
367                 DEBUG_RPT_RX,
368         } debug;
369         bool tx, rx, en;
370         int ret;
371
372         dev->fw_debug_wm = val ? MCU_FW_LOG_TO_HOST : 0;
373
374         if (dev->fw_debug_bin)
375                 val = 16;
376         else
377                 val = dev->fw_debug_wm;
378
379         tx = dev->fw_debug_wm || (dev->fw_debug_bin & BIT(1));
380         rx = dev->fw_debug_wm || (dev->fw_debug_bin & BIT(2));
381         en = dev->fw_debug_wm || (dev->fw_debug_bin & BIT(0));
382
383         ret = mt7915_mcu_fw_log_2_host(dev, MCU_FW_LOG_WM, val);
384         if (ret)
385                 return ret;
386
387         for (debug = DEBUG_TXCMD; debug <= DEBUG_RPT_RX; debug++) {
388                 if (debug == DEBUG_RPT_RX)
389                         val = en && rx;
390                 else
391                         val = en && tx;
392
393                 ret = mt7915_mcu_fw_dbg_ctrl(dev, debug, val);
394                 if (ret)
395                         return ret;
396         }
397
398         /* WM CPU info record control */
399         mt76_clear(dev, MT_CPU_UTIL_CTRL, BIT(0));
400         mt76_wr(dev, MT_DIC_CMD_REG_CMD, BIT(2) | BIT(13) | !dev->fw_debug_wm);
401         mt76_wr(dev, MT_MCU_WM_CIRQ_IRQ_MASK_CLR_ADDR, BIT(5));
402         mt76_wr(dev, MT_MCU_WM_CIRQ_IRQ_SOFT_ADDR, BIT(5));
403
404         return 0;
405 }
406
407 static int
408 mt7915_fw_debug_wm_get(void *data, u64 *val)
409 {
410         struct mt7915_dev *dev = data;
411
412         *val = dev->fw_debug_wm;
413
414         return 0;
415 }
416
417 DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug_wm, mt7915_fw_debug_wm_get,
418                          mt7915_fw_debug_wm_set, "%lld\n");
419
420 static int
421 mt7915_fw_debug_wa_set(void *data, u64 val)
422 {
423         struct mt7915_dev *dev = data;
424         int ret;
425
426         dev->fw_debug_wa = val ? MCU_FW_LOG_TO_HOST : 0;
427
428         ret = mt7915_mcu_fw_log_2_host(dev, MCU_FW_LOG_WA, dev->fw_debug_wa);
429         if (ret)
430                 return ret;
431
432         return mt7915_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(SET), MCU_WA_PARAM_PDMA_RX,
433                                  !!dev->fw_debug_wa, 0);
434 }
435
436 static int
437 mt7915_fw_debug_wa_get(void *data, u64 *val)
438 {
439         struct mt7915_dev *dev = data;
440
441         *val = dev->fw_debug_wa;
442
443         return 0;
444 }
445
446 DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug_wa, mt7915_fw_debug_wa_get,
447                          mt7915_fw_debug_wa_set, "%lld\n");
448
449 static struct dentry *
450 create_buf_file_cb(const char *filename, struct dentry *parent, umode_t mode,
451                    struct rchan_buf *buf, int *is_global)
452 {
453         struct dentry *f;
454
455         f = debugfs_create_file("fwlog_data", mode, parent, buf,
456                                 &relay_file_operations);
457         if (IS_ERR(f))
458                 return NULL;
459
460         *is_global = 1;
461
462         return f;
463 }
464
465 static int
466 remove_buf_file_cb(struct dentry *f)
467 {
468         debugfs_remove(f);
469
470         return 0;
471 }
472
473 static int
474 mt7915_fw_debug_bin_set(void *data, u64 val)
475 {
476         static struct rchan_callbacks relay_cb = {
477                 .create_buf_file = create_buf_file_cb,
478                 .remove_buf_file = remove_buf_file_cb,
479         };
480         struct mt7915_dev *dev = data;
481
482         if (!dev->relay_fwlog)
483                 dev->relay_fwlog = relay_open("fwlog_data", dev->debugfs_dir,
484                                             1500, 512, &relay_cb, NULL);
485         if (!dev->relay_fwlog)
486                 return -ENOMEM;
487
488         dev->fw_debug_bin = val;
489
490         relay_reset(dev->relay_fwlog);
491
492         return mt7915_fw_debug_wm_set(dev, dev->fw_debug_wm);
493 }
494
495 static int
496 mt7915_fw_debug_bin_get(void *data, u64 *val)
497 {
498         struct mt7915_dev *dev = data;
499
500         *val = dev->fw_debug_bin;
501
502         return 0;
503 }
504
505 DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug_bin, mt7915_fw_debug_bin_get,
506                          mt7915_fw_debug_bin_set, "%lld\n");
507
508 static int
509 mt7915_fw_util_wm_show(struct seq_file *file, void *data)
510 {
511         struct mt7915_dev *dev = file->private;
512
513         if (dev->fw_debug_wm) {
514                 seq_printf(file, "Busy: %u%%  Peak busy: %u%%\n",
515                            mt76_rr(dev, MT_CPU_UTIL_BUSY_PCT),
516                            mt76_rr(dev, MT_CPU_UTIL_PEAK_BUSY_PCT));
517                 seq_printf(file, "Idle count: %u  Peak idle count: %u\n",
518                            mt76_rr(dev, MT_CPU_UTIL_IDLE_CNT),
519                            mt76_rr(dev, MT_CPU_UTIL_PEAK_IDLE_CNT));
520         }
521
522         return 0;
523 }
524
525 DEFINE_SHOW_ATTRIBUTE(mt7915_fw_util_wm);
526
527 static int
528 mt7915_fw_util_wa_show(struct seq_file *file, void *data)
529 {
530         struct mt7915_dev *dev = file->private;
531
532         if (dev->fw_debug_wa)
533                 return mt7915_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(QUERY),
534                                          MCU_WA_PARAM_CPU_UTIL, 0, 0);
535
536         return 0;
537 }
538
539 DEFINE_SHOW_ATTRIBUTE(mt7915_fw_util_wa);
540
541 static void
542 mt7915_ampdu_stat_read_phy(struct mt7915_phy *phy,
543                            struct seq_file *file)
544 {
545         struct mt7915_dev *dev = phy->dev;
546         bool ext_phy = phy != &dev->phy;
547         int bound[15], range[4], i, n;
548
549         /* Tx ampdu stat */
550         for (i = 0; i < ARRAY_SIZE(range); i++)
551                 range[i] = mt76_rr(dev, MT_MIB_ARNG(phy->band_idx, i));
552
553         for (i = 0; i < ARRAY_SIZE(bound); i++)
554                 bound[i] = MT_MIB_ARNCR_RANGE(range[i / 4], i % 4) + 1;
555
556         seq_printf(file, "\nPhy %d, Phy band %d\n", ext_phy, phy->band_idx);
557
558         seq_printf(file, "Length: %8d | ", bound[0]);
559         for (i = 0; i < ARRAY_SIZE(bound) - 1; i++)
560                 seq_printf(file, "%3d -%3d | ",
561                            bound[i] + 1, bound[i + 1]);
562
563         seq_puts(file, "\nCount:  ");
564         n = phy->band_idx ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0;
565         for (i = 0; i < ARRAY_SIZE(bound); i++)
566                 seq_printf(file, "%8d | ", dev->mt76.aggr_stats[i + n]);
567         seq_puts(file, "\n");
568
569         seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt);
570 }
571
572 static void
573 mt7915_txbf_stat_read_phy(struct mt7915_phy *phy, struct seq_file *s)
574 {
575         static const char * const bw[] = {
576                 "BW20", "BW40", "BW80", "BW160"
577         };
578         struct mib_stats *mib = &phy->mib;
579
580         /* Tx Beamformer monitor */
581         seq_puts(s, "\nTx Beamformer applied PPDU counts: ");
582
583         seq_printf(s, "iBF: %d, eBF: %d\n",
584                    mib->tx_bf_ibf_ppdu_cnt,
585                    mib->tx_bf_ebf_ppdu_cnt);
586
587         /* Tx Beamformer Rx feedback monitor */
588         seq_puts(s, "Tx Beamformer Rx feedback statistics: ");
589
590         seq_printf(s, "All: %d, HE: %d, VHT: %d, HT: %d, ",
591                    mib->tx_bf_rx_fb_all_cnt,
592                    mib->tx_bf_rx_fb_he_cnt,
593                    mib->tx_bf_rx_fb_vht_cnt,
594                    mib->tx_bf_rx_fb_ht_cnt);
595
596         seq_printf(s, "%s, NC: %d, NR: %d\n",
597                    bw[mib->tx_bf_rx_fb_bw],
598                    mib->tx_bf_rx_fb_nc_cnt,
599                    mib->tx_bf_rx_fb_nr_cnt);
600
601         /* Tx Beamformee Rx NDPA & Tx feedback report */
602         seq_printf(s, "Tx Beamformee successful feedback frames: %d\n",
603                    mib->tx_bf_fb_cpl_cnt);
604         seq_printf(s, "Tx Beamformee feedback triggered counts: %d\n",
605                    mib->tx_bf_fb_trig_cnt);
606
607         /* Tx SU & MU counters */
608         seq_printf(s, "Tx multi-user Beamforming counts: %d\n",
609                    mib->tx_bf_cnt);
610         seq_printf(s, "Tx multi-user MPDU counts: %d\n", mib->tx_mu_mpdu_cnt);
611         seq_printf(s, "Tx multi-user successful MPDU counts: %d\n",
612                    mib->tx_mu_acked_mpdu_cnt);
613         seq_printf(s, "Tx single-user successful MPDU counts: %d\n",
614                    mib->tx_su_acked_mpdu_cnt);
615
616         seq_puts(s, "\n");
617 }
618
619 static int
620 mt7915_tx_stats_show(struct seq_file *file, void *data)
621 {
622         struct mt7915_phy *phy = file->private;
623         struct mt7915_dev *dev = phy->dev;
624         struct mib_stats *mib = &phy->mib;
625         int i;
626
627         mutex_lock(&dev->mt76.mutex);
628
629         mt7915_ampdu_stat_read_phy(phy, file);
630         mt7915_mac_update_stats(phy);
631         mt7915_txbf_stat_read_phy(phy, file);
632
633         /* Tx amsdu info */
634         seq_puts(file, "Tx MSDU statistics:\n");
635         for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) {
636                 seq_printf(file, "AMSDU pack count of %d MSDU in TXD: %8d ",
637                            i + 1, mib->tx_amsdu[i]);
638                 if (mib->tx_amsdu_cnt)
639                         seq_printf(file, "(%3d%%)\n",
640                                    mib->tx_amsdu[i] * 100 / mib->tx_amsdu_cnt);
641                 else
642                         seq_puts(file, "\n");
643         }
644
645         mutex_unlock(&dev->mt76.mutex);
646
647         return 0;
648 }
649
650 DEFINE_SHOW_ATTRIBUTE(mt7915_tx_stats);
651
652 static void
653 mt7915_hw_queue_read(struct seq_file *s, u32 size,
654                      const struct hw_queue_map *map)
655 {
656         struct mt7915_phy *phy = s->private;
657         struct mt7915_dev *dev = phy->dev;
658         u32 i, val;
659
660         val = mt76_rr(dev, MT_FL_Q_EMPTY);
661         for (i = 0; i < size; i++) {
662                 u32 ctrl, head, tail, queued;
663
664                 if (val & BIT(map[i].index))
665                         continue;
666
667                 ctrl = BIT(31) | (map[i].pid << 10) | (map[i].qid << 24);
668                 mt76_wr(dev, MT_FL_Q0_CTRL, ctrl);
669
670                 head = mt76_get_field(dev, MT_FL_Q2_CTRL,
671                                       GENMASK(11, 0));
672                 tail = mt76_get_field(dev, MT_FL_Q2_CTRL,
673                                       GENMASK(27, 16));
674                 queued = mt76_get_field(dev, MT_FL_Q3_CTRL,
675                                         GENMASK(11, 0));
676
677                 seq_printf(s, "\t%s: ", map[i].name);
678                 seq_printf(s, "queued:0x%03x head:0x%03x tail:0x%03x\n",
679                            queued, head, tail);
680         }
681 }
682
683 static void
684 mt7915_sta_hw_queue_read(void *data, struct ieee80211_sta *sta)
685 {
686         struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
687         struct mt7915_dev *dev = msta->vif->phy->dev;
688         struct seq_file *s = data;
689         u8 ac;
690
691         for (ac = 0; ac < 4; ac++) {
692                 u32 qlen, ctrl, val;
693                 u32 idx = msta->wcid.idx >> 5;
694                 u8 offs = msta->wcid.idx & GENMASK(4, 0);
695
696                 ctrl = BIT(31) | BIT(11) | (ac << 24);
697                 val = mt76_rr(dev, MT_PLE_AC_QEMPTY(ac, idx));
698
699                 if (val & BIT(offs))
700                         continue;
701
702                 mt76_wr(dev, MT_FL_Q0_CTRL, ctrl | msta->wcid.idx);
703                 qlen = mt76_get_field(dev, MT_FL_Q3_CTRL,
704                                       GENMASK(11, 0));
705                 seq_printf(s, "\tSTA %pM wcid %d: AC%d%d queued:%d\n",
706                            sta->addr, msta->wcid.idx,
707                            msta->vif->mt76.wmm_idx, ac, qlen);
708         }
709 }
710
711 static int
712 mt7915_hw_queues_show(struct seq_file *file, void *data)
713 {
714         struct mt7915_phy *phy = file->private;
715         struct mt7915_dev *dev = phy->dev;
716         static const struct hw_queue_map ple_queue_map[] = {
717                 { "CPU_Q0",  0,  1, MT_CTX0           },
718                 { "CPU_Q1",  1,  1, MT_CTX0 + 1       },
719                 { "CPU_Q2",  2,  1, MT_CTX0 + 2       },
720                 { "CPU_Q3",  3,  1, MT_CTX0 + 3       },
721                 { "ALTX_Q0", 8,  2, MT_LMAC_ALTX0     },
722                 { "BMC_Q0",  9,  2, MT_LMAC_BMC0      },
723                 { "BCN_Q0",  10, 2, MT_LMAC_BCN0      },
724                 { "PSMP_Q0", 11, 2, MT_LMAC_PSMP0     },
725                 { "ALTX_Q1", 12, 2, MT_LMAC_ALTX0 + 4 },
726                 { "BMC_Q1",  13, 2, MT_LMAC_BMC0  + 4 },
727                 { "BCN_Q1",  14, 2, MT_LMAC_BCN0  + 4 },
728                 { "PSMP_Q1", 15, 2, MT_LMAC_PSMP0 + 4 },
729         };
730         static const struct hw_queue_map pse_queue_map[] = {
731                 { "CPU Q0",  0,  1, MT_CTX0           },
732                 { "CPU Q1",  1,  1, MT_CTX0 + 1       },
733                 { "CPU Q2",  2,  1, MT_CTX0 + 2       },
734                 { "CPU Q3",  3,  1, MT_CTX0 + 3       },
735                 { "HIF_Q0",  8,  0, MT_HIF0           },
736                 { "HIF_Q1",  9,  0, MT_HIF0 + 1       },
737                 { "HIF_Q2",  10, 0, MT_HIF0 + 2       },
738                 { "HIF_Q3",  11, 0, MT_HIF0 + 3       },
739                 { "HIF_Q4",  12, 0, MT_HIF0 + 4       },
740                 { "HIF_Q5",  13, 0, MT_HIF0 + 5       },
741                 { "LMAC_Q",  16, 2, 0                 },
742                 { "MDP_TXQ", 17, 2, 1                 },
743                 { "MDP_RXQ", 18, 2, 2                 },
744                 { "SEC_TXQ", 19, 2, 3                 },
745                 { "SEC_RXQ", 20, 2, 4                 },
746         };
747         u32 val, head, tail;
748
749         /* ple queue */
750         val = mt76_rr(dev, MT_PLE_FREEPG_CNT);
751         head = mt76_get_field(dev, MT_PLE_FREEPG_HEAD_TAIL, GENMASK(11, 0));
752         tail = mt76_get_field(dev, MT_PLE_FREEPG_HEAD_TAIL, GENMASK(27, 16));
753         seq_puts(file, "PLE page info:\n");
754         seq_printf(file,
755                    "\tTotal free page: 0x%08x head: 0x%03x tail: 0x%03x\n",
756                    val, head, tail);
757
758         val = mt76_rr(dev, MT_PLE_PG_HIF_GROUP);
759         head = mt76_get_field(dev, MT_PLE_HIF_PG_INFO, GENMASK(11, 0));
760         tail = mt76_get_field(dev, MT_PLE_HIF_PG_INFO, GENMASK(27, 16));
761         seq_printf(file, "\tHIF free page: 0x%03x res: 0x%03x used: 0x%03x\n",
762                    val, head, tail);
763
764         seq_puts(file, "PLE non-empty queue info:\n");
765         mt7915_hw_queue_read(file, ARRAY_SIZE(ple_queue_map),
766                              &ple_queue_map[0]);
767
768         /* iterate per-sta ple queue */
769         ieee80211_iterate_stations_atomic(phy->mt76->hw,
770                                           mt7915_sta_hw_queue_read, file);
771         /* pse queue */
772         seq_puts(file, "PSE non-empty queue info:\n");
773         mt7915_hw_queue_read(file, ARRAY_SIZE(pse_queue_map),
774                              &pse_queue_map[0]);
775
776         return 0;
777 }
778
779 DEFINE_SHOW_ATTRIBUTE(mt7915_hw_queues);
780
781 static int
782 mt7915_xmit_queues_show(struct seq_file *file, void *data)
783 {
784         struct mt7915_phy *phy = file->private;
785         struct mt7915_dev *dev = phy->dev;
786         struct {
787                 struct mt76_queue *q;
788                 char *queue;
789         } queue_map[] = {
790                 { phy->mt76->q_tx[MT_TXQ_BE],    "   MAIN"  },
791                 { dev->mt76.q_mcu[MT_MCUQ_WM],   "  MCUWM"  },
792                 { dev->mt76.q_mcu[MT_MCUQ_WA],   "  MCUWA"  },
793                 { dev->mt76.q_mcu[MT_MCUQ_FWDL], "MCUFWDL" },
794         };
795         int i;
796
797         seq_puts(file, "     queue | hw-queued |      head |      tail |\n");
798         for (i = 0; i < ARRAY_SIZE(queue_map); i++) {
799                 struct mt76_queue *q = queue_map[i].q;
800
801                 if (!q)
802                         continue;
803
804                 seq_printf(file, "   %s | %9d | %9d | %9d |\n",
805                            queue_map[i].queue, q->queued, q->head,
806                            q->tail);
807         }
808
809         return 0;
810 }
811
812 DEFINE_SHOW_ATTRIBUTE(mt7915_xmit_queues);
813
814 static int
815 mt7915_rate_txpower_show(struct seq_file *file, void *data)
816 {
817         static const char * const sku_group_name[] = {
818                 "CCK", "OFDM", "HT20", "HT40",
819                 "VHT20", "VHT40", "VHT80", "VHT160",
820                 "RU26", "RU52", "RU106", "RU242/SU20",
821                 "RU484/SU40", "RU996/SU80", "RU2x996/SU160"
822         };
823         struct mt7915_phy *phy = file->private;
824         s8 txpower[MT7915_SKU_RATE_NUM], *buf;
825         int i;
826
827         seq_printf(file, "\nBand %d\n", phy != &phy->dev->phy);
828         mt7915_mcu_get_txpower_sku(phy, txpower, sizeof(txpower));
829         for (i = 0, buf = txpower; i < ARRAY_SIZE(mt7915_sku_group_len); i++) {
830                 u8 mcs_num = mt7915_sku_group_len[i];
831
832                 if (i >= SKU_VHT_BW20 && i <= SKU_VHT_BW160)
833                         mcs_num = 10;
834
835                 mt76_seq_puts_array(file, sku_group_name[i], buf, mcs_num);
836                 buf += mt7915_sku_group_len[i];
837         }
838
839         return 0;
840 }
841
842 DEFINE_SHOW_ATTRIBUTE(mt7915_rate_txpower);
843
844 static int
845 mt7915_twt_stats(struct seq_file *s, void *data)
846 {
847         struct mt7915_dev *dev = dev_get_drvdata(s->private);
848         struct mt7915_twt_flow *iter;
849
850         rcu_read_lock();
851
852         seq_puts(s, "     wcid |       id |    flags |      exp | mantissa");
853         seq_puts(s, " | duration |            tsf |\n");
854         list_for_each_entry_rcu(iter, &dev->twt_list, list)
855                 seq_printf(s,
856                         "%9d | %8d | %5c%c%c%c | %8d | %8d | %8d | %14lld |\n",
857                         iter->wcid, iter->id,
858                         iter->sched ? 's' : 'u',
859                         iter->protection ? 'p' : '-',
860                         iter->trigger ? 't' : '-',
861                         iter->flowtype ? '-' : 'a',
862                         iter->exp, iter->mantissa,
863                         iter->duration, iter->tsf);
864
865         rcu_read_unlock();
866
867         return 0;
868 }
869
870 int mt7915_init_debugfs(struct mt7915_phy *phy)
871 {
872         struct mt7915_dev *dev = phy->dev;
873         bool ext_phy = phy != &dev->phy;
874         struct dentry *dir;
875
876         dir = mt76_register_debugfs_fops(phy->mt76, NULL);
877         if (!dir)
878                 return -ENOMEM;
879         debugfs_create_file("muru_debug", 0600, dir, dev, &fops_muru_debug);
880         debugfs_create_file("muru_stats", 0400, dir, phy,
881                             &mt7915_muru_stats_fops);
882         debugfs_create_file("hw-queues", 0400, dir, phy,
883                             &mt7915_hw_queues_fops);
884         debugfs_create_file("xmit-queues", 0400, dir, phy,
885                             &mt7915_xmit_queues_fops);
886         debugfs_create_file("tx_stats", 0400, dir, phy, &mt7915_tx_stats_fops);
887         debugfs_create_file("fw_debug_wm", 0600, dir, dev, &fops_fw_debug_wm);
888         debugfs_create_file("fw_debug_wa", 0600, dir, dev, &fops_fw_debug_wa);
889         debugfs_create_file("fw_debug_bin", 0600, dir, dev, &fops_fw_debug_bin);
890         debugfs_create_file("fw_util_wm", 0400, dir, dev,
891                             &mt7915_fw_util_wm_fops);
892         debugfs_create_file("fw_util_wa", 0400, dir, dev,
893                             &mt7915_fw_util_wa_fops);
894         debugfs_create_file("implicit_txbf", 0600, dir, dev,
895                             &fops_implicit_txbf);
896         debugfs_create_file("txpower_sku", 0400, dir, phy,
897                             &mt7915_rate_txpower_fops);
898         debugfs_create_devm_seqfile(dev->mt76.dev, "twt_stats", dir,
899                                     mt7915_twt_stats);
900         debugfs_create_file("ser_trigger", 0200, dir, dev, &fops_ser_trigger);
901         if (!dev->dbdc_support || phy->band_idx) {
902                 debugfs_create_u32("dfs_hw_pattern", 0400, dir,
903                                    &dev->hw_pattern);
904                 debugfs_create_file("radar_trigger", 0200, dir, dev,
905                                     &fops_radar_trigger);
906                 debugfs_create_devm_seqfile(dev->mt76.dev, "rdd_monitor", dir,
907                                             mt7915_rdd_monitor);
908         }
909
910         if (!ext_phy)
911                 dev->debugfs_dir = dir;
912
913         return 0;
914 }
915
916 static void
917 mt7915_debugfs_write_fwlog(struct mt7915_dev *dev, const void *hdr, int hdrlen,
918                          const void *data, int len)
919 {
920         static DEFINE_SPINLOCK(lock);
921         unsigned long flags;
922         void *dest;
923
924         spin_lock_irqsave(&lock, flags);
925         dest = relay_reserve(dev->relay_fwlog, hdrlen + len + 4);
926         if (dest) {
927                 *(u32 *)dest = hdrlen + len;
928                 dest += 4;
929
930                 if (hdrlen) {
931                         memcpy(dest, hdr, hdrlen);
932                         dest += hdrlen;
933                 }
934
935                 memcpy(dest, data, len);
936                 relay_flush(dev->relay_fwlog);
937         }
938         spin_unlock_irqrestore(&lock, flags);
939 }
940
941 void mt7915_debugfs_rx_fw_monitor(struct mt7915_dev *dev, const void *data, int len)
942 {
943         struct {
944                 __le32 magic;
945                 __le32 timestamp;
946                 __le16 msg_type;
947                 __le16 len;
948         } hdr = {
949                 .magic = cpu_to_le32(FW_BIN_LOG_MAGIC),
950                 .msg_type = cpu_to_le16(PKT_TYPE_RX_FW_MONITOR),
951         };
952
953         if (!dev->relay_fwlog)
954                 return;
955
956         hdr.timestamp = cpu_to_le32(mt76_rr(dev, MT_LPON_FRCR(0)));
957         hdr.len = *(__le16 *)data;
958         mt7915_debugfs_write_fwlog(dev, &hdr, sizeof(hdr), data, len);
959 }
960
961 bool mt7915_debugfs_rx_log(struct mt7915_dev *dev, const void *data, int len)
962 {
963         if (get_unaligned_le32(data) != FW_BIN_LOG_MAGIC)
964                 return false;
965
966         if (dev->relay_fwlog)
967                 mt7915_debugfs_write_fwlog(dev, NULL, 0, data, len);
968
969         return true;
970 }
971
972 #ifdef CONFIG_MAC80211_DEBUGFS
973 /** per-station debugfs **/
974
975 static ssize_t mt7915_sta_fixed_rate_set(struct file *file,
976                                          const char __user *user_buf,
977                                          size_t count, loff_t *ppos)
978 {
979         struct ieee80211_sta *sta = file->private_data;
980         struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
981         struct mt7915_dev *dev = msta->vif->phy->dev;
982         struct ieee80211_vif *vif;
983         struct sta_phy phy = {};
984         char buf[100];
985         int ret;
986         u32 field;
987         u8 i, gi, he_ltf;
988
989         if (count >= sizeof(buf))
990                 return -EINVAL;
991
992         if (copy_from_user(buf, user_buf, count))
993                 return -EFAULT;
994
995         if (count && buf[count - 1] == '\n')
996                 buf[count - 1] = '\0';
997         else
998                 buf[count] = '\0';
999
1000         /* mode - cck: 0, ofdm: 1, ht: 2, gf: 3, vht: 4, he_su: 8, he_er: 9
1001          * bw - bw20: 0, bw40: 1, bw80: 2, bw160: 3
1002          * nss - vht: 1~4, he: 1~4, others: ignore
1003          * mcs - cck: 0~4, ofdm: 0~7, ht: 0~32, vht: 0~9, he_su: 0~11, he_er: 0~2
1004          * gi - (ht/vht) lgi: 0, sgi: 1; (he) 0.8us: 0, 1.6us: 1, 3.2us: 2
1005          * ldpc - off: 0, on: 1
1006          * stbc - off: 0, on: 1
1007          * he_ltf - 1xltf: 0, 2xltf: 1, 4xltf: 2
1008          */
1009         if (sscanf(buf, "%hhu %hhu %hhu %hhu %hhu %hhu %hhu %hhu",
1010                    &phy.type, &phy.bw, &phy.nss, &phy.mcs, &gi,
1011                    &phy.ldpc, &phy.stbc, &he_ltf) != 8) {
1012                 dev_warn(dev->mt76.dev,
1013                          "format: Mode BW NSS MCS (HE)GI LDPC STBC HE_LTF\n");
1014                 field = RATE_PARAM_AUTO;
1015                 goto out;
1016         }
1017
1018         phy.ldpc = (phy.bw || phy.ldpc) * GENMASK(2, 0);
1019         for (i = 0; i <= phy.bw; i++) {
1020                 phy.sgi |= gi << (i << sta->he_cap.has_he);
1021                 phy.he_ltf |= he_ltf << (i << sta->he_cap.has_he);
1022         }
1023         field = RATE_PARAM_FIXED;
1024
1025 out:
1026         vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv);
1027         ret = mt7915_mcu_set_fixed_rate_ctrl(dev, vif, sta, &phy, field);
1028         if (ret)
1029                 return -EFAULT;
1030
1031         return count;
1032 }
1033
1034 static const struct file_operations fops_fixed_rate = {
1035         .write = mt7915_sta_fixed_rate_set,
1036         .open = simple_open,
1037         .owner = THIS_MODULE,
1038         .llseek = default_llseek,
1039 };
1040
1041 static int
1042 mt7915_queues_show(struct seq_file *s, void *data)
1043 {
1044         struct ieee80211_sta *sta = s->private;
1045
1046         mt7915_sta_hw_queue_read(s, sta);
1047
1048         return 0;
1049 }
1050
1051 DEFINE_SHOW_ATTRIBUTE(mt7915_queues);
1052
1053 void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1054                             struct ieee80211_sta *sta, struct dentry *dir)
1055 {
1056         debugfs_create_file("fixed_rate", 0600, dir, sta, &fops_fixed_rate);
1057         debugfs_create_file("hw-queues", 0400, dir, sta, &mt7915_queues_fops);
1058 }
1059
1060 #endif